churro morales created HBASE-15321:
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Summary: Ability to open a HRegion from hdfs snapshot.
Key: HBASE-15321
URL: https://issues.apache.org/jira/browse/HBASE-15321
Project: HBase
Issue Type: New Feature
Affects Versions: 2.0.0
Reporter: churro morales
Fix For: 2.0.0
Now that hdfs snapshots are here, we started to run our mapreduce jobs over
hdfs snapshots. The thing is, hdfs snapshots are read-only point-in-time
copies of the file system. Thus we had to modify the section of code that
initialized the region internals in HRegion. We have to skip cleanup of
certain directories if the HRegion is backed by a hdfs snapshot. I have a
patch for trunk with some basic tests if folks are interested.
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